I have a pretty fresh install of the latest Boundless OpenGeo stack (v4.5). I 
have a requirement to host some stereo satellite imagery. I'm using the sample 
imagery over China provided by DigitalGlobe 
(https://www.digitalglobe.com/product-samples). The .zip file is quite large 
and contains a directory for panchromatic imagery, one for multispectral 
imagery, and a GIS_FILES directory that seems to just contain various footprint 
shapefiles. Each of the imagery directories contain many supporting files: 
.ATT, .EPH, .GEO, .IMD, .RPB, .STE, .TIL... DigitalGlobe has an Imagery Support 
Data Document 
(https://www.digitalglobe.com/sites/default/files/ISD_External.pdf) that 
explains the information in each file. They all seem to provide information 
about the image pairs, overlaps, etc.

I'm confused how to properly host this data in GeoServer. Should the two 
GeoTIFFs be added to independent stores in GeoServer? Is there some other sort 
of mechanism that keeps the two images together or contains the metadata in the 
DG provided files or any other way to point to the 2nd image after someone has 
discovered the 1st image?
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